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| author | Alexey Kardashevskiy <aik@ozlabs.ru> | 2016-04-29 18:55:15 +1000 |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2016-05-11 21:54:27 +1000 |
| commit | 54de285beb9ef8b85cf240f7cda161bd6ae5d04c (patch) | |
| tree | 7b270ac97ed5d2608b06370ba101e51d2cd8f976 | |
| parent | c8ceacc22bce95d3a9cff198c9c27a30105a16b8 (diff) | |
| download | linux-54de285beb9ef8b85cf240f7cda161bd6ae5d04c.tar.gz linux-54de285beb9ef8b85cf240f7cda161bd6ae5d04c.tar.bz2 linux-54de285beb9ef8b85cf240f7cda161bd6ae5d04c.zip | |
vfio/spapr: Relax the IOMMU compatibility check
We are going to have multiple different types of PHB on the same system
with POWER8 + NVLink and PHBs will have different IOMMU ops. However
we only really care about one callback - create_table - so we can
relax the compatibility check here.
Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru>
Reviewed-by: David Gibson <david@gibson.dropbear.id.au>
Acked-by: Alex Williamson <alex.williamson@redhat.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
| -rw-r--r-- | drivers/vfio/vfio_iommu_spapr_tce.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/vfio/vfio_iommu_spapr_tce.c b/drivers/vfio/vfio_iommu_spapr_tce.c index 0582b72ef377..3054e3fa63ac 100644 --- a/drivers/vfio/vfio_iommu_spapr_tce.c +++ b/drivers/vfio/vfio_iommu_spapr_tce.c @@ -1188,7 +1188,8 @@ static int tce_iommu_attach_group(void *iommu_data, goto unlock_exit; } table_group_tmp = iommu_group_get_iommudata(tcegrp->grp); - if (table_group_tmp->ops != table_group->ops) { + if (table_group_tmp->ops->create_table != + table_group->ops->create_table) { pr_warn("tce_vfio: Group %d is incompatible with group %d\n", iommu_group_id(iommu_group), iommu_group_id(tcegrp->grp)); |